Align all ipc messages on 8 byte boundaries. This alignment will remove bus
errors on systems that can't access non-byte aligned data and should improve
performance.
Signed-off-by: Steven Dake <sd...@redhat.com>
---
exec/coroipcs.c | 2 +-
lib/coroipcc.c | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/exec/coroipcs.c b/exec/coroipcs.c
index 703802a..9b88cab 100644
--- a/exec/coroipcs.c
+++ b/exec/coroipcs.c
@@ -1240,7 +1240,7 @@ static void memcpy_dwrap (struct conn_info *conn_info,
void *msg, unsigned int l
write_idx = conn_info->control_buffer->write;
memcpy (&conn_info->dispatch_buffer[write_idx], msg, len);
- conn_info->control_buffer->write = (write_idx + len) %
conn_info->dispatch_size;
+ conn_info->control_buffer->write = ((write_idx + len + 7) &
0xFFFFFFFF8) % conn_info->dispatch_size;
}
static void msg_send (void *conn, const struct iovec *iov, unsigned int
iov_len,
diff --git a/lib/coroipcc.c b/lib/coroipcc.c
index bbeb95f..c5196a6 100644
--- a/lib/coroipcc.c
+++ b/lib/coroipcc.c
@@ -932,7 +932,9 @@ retry_ipc_sem_wait:
read_idx = ipc_instance->control_buffer->read;
header = (coroipc_response_header_t *) &addr[read_idx];
ipc_instance->control_buffer->read =
- (read_idx + header->size) % ipc_instance->dispatch_size;
+ ((read_idx + header->size + 7) & 0xFFFFFFF8) %
+ ipc_instance->dispatch_size;
+
/*
* Put from dispatch get and also from this call's get
*/
--
1.7.2.3
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